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Fungi and fire in Australian ecosystems: a review of current knowledge, management implications and future directions


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McMullan-Fisher, SJM, May, T, Robinson, R, Bell, T, Lebel, T, Catcheside, P and York, A 2011 , 'Fungi and fire in Australian ecosystems: a review of current knowledge, management implications and future directions' , Australian Journal of Botany, vol. 59, no. 1 , pp. 70-90 , doi: 10.1071/BT10059.

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Fungi are essential components of all ecosystems in roles including symbiotic partners, decomposers and
nutrient cyclers and as a source of food for vertebrates and invertebrates. Fire changes the environment in which fungi live by
affecting soil structure, nutrient availability, organic and inorganic substrates and other biotic components with which fungi
interact, particularly mycophagous animals. We review the literature on fire and fungi in Australia, collating studies that
include sites with different time since fire or different fire regimes. The studies used a variety of methods for survey and
identification of fungi and focussed on different groups of fungi, with an emphasis on fruit-bodies of epigeal macrofungi and a
lack of studies on microfungi in soil or plant tissues. There was a lack of replication of fire treatment effects in some studies.
Nevertheless, most studies reported some consequence of fire on the fungal community. Studies on fire and fungi were
concentrated in eucalypt forest in south-west and south-eastern Australia, and were lacking for ecosystems such as grasslands
and tropical savannahs. The effects of fire on fungi are highly variable and depend on factors such as soil and vegetation type
and variation in fire intensity and history, including the length of time between fires. There is a post-fire flush of fruit-bodies of
pyrophilous macrofungi, but there are also fungi that prefer long unburnt vegetation. The few studies that tested the effect of
fire regimes in relation to the intervals between burns did not yield consistent results. The functional roles of fungi in
ecosystems and the interactions of fire with these functions are explained and discussed. Responses of fungi to fire are
reviewed for each fungal trophic group, and also in relation to interactions between fungi and vertebrates and invertebrates.
Recommendations are made to include monitoring of fungi in large-scale fire management research programs and to integrate
the use of morphological and molecular methods of identification. Preliminary results suggest that fire mosaics promote
heterogeneity in the fungal community. Management of substrates could assist in preserving fungal diversity in the absence of
specific information on fungi.

Item Type: Article
Authors/Creators:McMullan-Fisher, SJM and May, T and Robinson, R and Bell, T and Lebel, T and Catcheside, P and York, A
Journal or Publication Title: Australian Journal of Botany
ISSN: 0067-1924
DOI / ID Number: 10.1071/BT10059
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Copyright © 2011 CSIRO

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